* {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
}

em,
i {
    font-style: normal
}


/* 去掉li 的小圆点 */

li {
    list-style: none
}

img {
    /* border 0 照顾低版本浏览器 如果 图片外面包含了链接会有边框的问题 */
    border: 0;
    /* 取消图片底侧有空白缝隙的问题 */
    vertical-align: middle
}

button {
    /* 当我们鼠标经过button 按钮的时候，鼠标变成小手 */
    cursor: pointer
}

a {
    color: #666;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
    color: #c81623
}

a:visited {
    text-decoration: none;
}

button {
    /* "\5B8B\4F53" 就是宋体的意思 这样浏览器兼容性比较好 */
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    border: 0;
    /* 去掉蓝色边框 */
    outline: none;
}

input {
    outline: none;
}

.w {
    width: 1200px;
    margin: 50px auto;
}

body {
    background: url(../imgs/背景5.jpg) no-repeat fixed;
    background-size: 100% 100%;
    color: #286090;
}

.style_red {
    color: #c81623;
}


/* 头部区域 */

.header {
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 80px;
    line-height: 80px;
    background-image: linear-gradient(to right, #2abca5, #57c177, #76c456);
    background: url(../imgs/背景5\ -\ 副本.jpg) no-repeat;
    background-size: cover;
    z-index: 9999;
}

.header p {
    float: left;
    margin-left: 50px;
    letter-spacing: 5px;
    color: #286090;
    font-size: 40px;
}

.header .logo {
    float: left;
    height: 80px;
    margin-left: 60px;
}

.header .logo a {
    display: block;
    width: 160px;
    height: 70px;
    margin-top: 1px;
    margin-left: 100px;
}

.header .logo a img {
    width: 100%;
    height: 100%;
}

.login {
    float: right;
    margin-right: 180px;
    color: #286090;
}

.login a {
    font-size: 16px;
    margin-left: 20px;
}

.login a:first-child {
    color: #286090;
}

.upload {
    position: absolute;
    margin-left: 600px;
    margin-top: 10px;
}


/* 固定定位部分 */

.fixed {
    position: fixed;
    top: 200px;
    left: 10px;
}

.fixed ul {
    width: 100px;
}

.fixed ul li {
    width: 100px;
    height: 40px;
    padding: 0 10px;
    background: none;
}

.fixed ul li a {
    display: block;
    width: 80px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 18px;
    color: #286090;
    border-bottom: 1px solid #a7a3a3;
}

.fixed ul li:hover a {
    color: white;
    background-color: #c81623;
}


/* 搜索模块 */

.search {
    margin-top: 100px;
}

.search {
    position: relative;
    font-weight: 700;
}

.search input {
    height: 35px;
    margin-right: 15px;
    border: 1px solid #6c6c72;
    border-radius: 5px;
    background: none;
    border: 1px solid #009dfe;
    /* box-shadow: 1px 1px 3px #a0a1aa inset; */
}

.search input:focus {
    box-shadow: 0 0 3px #009dfe;
}

.search a button {
    font-size: 12px;
}


/* 商品信息部分 */


/* 设置表格内的文字垂直居中 */

table {
    text-align: center;
}

table tr td {
    width: 200px;
}

table tr:first-child {
    background-color: rgba(74, 221, 226, 0.808);
    height: 50px;
}

table tr:first-child td {
    font-weight: 700;
}


/* 去除input边框 */

table tr td input {
    border: 0;
}


/* 设置操作的修改和删除大小和边距 */

.operation a button {
    /* height: 20px;
    line-height: 10px; */
    font-size: 12px;
    margin: 3px;
    /* text-align: center; */
}


/* 上传多文件和单文件部分 */


/* 改变上传按钮的大小 */


/* .upload input {
    border: 1px solid #666;
} */

.search .upload input {
    border: 0;
    box-shadow: none;
}

.search .upload {
    position: absolute;
    left: 350px;
    top: -15px;
}

.search .upload a button {
    margin-top: 2px;
    font-size: 12px;
}

.btn:hover,
.btn:active,
.btn:focus {
    outline: none;
    box-shadow: none;
}


/* 底部部分 */

.footer {
    overflow: hidden;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 25px;
    text-align: center;
    line-height: 25px;
    color: black;
    letter-spacing: 5px;
    background-image: linear-gradient(to right, #2abca5, #57c177, #76c456);
    background: url(../images/渐变.jpg) no-repeat;
    background-size: 100%;
    z-index: 888;
}


/* index1部分 */

ul {
    margin-top: 10px;
}

ul li {
    float: left;
    height: 250px;
    width: 200px;
    margin-left: 12px;
    margin-right: 20px;
    margin-bottom: 10px;
    text-align: center;
    background-color: white;
    border-radius: 5px;
}

ul li h3 {
    text-align: center;
    margin-top: 11px;
    padding-bottom: 5px;
    border-bottom: 1px solid #ccc;
}

ul li button {
    margin-top: 3px;
    height: 30px;
}

ul li img {
    width: 170px;
    height: 160px;
    border-bottom: 1px solid #ccc;
}


/* index3部分 */

.box {
    width: 550px;
    height: 300px;
    margin: 200px auto;
    margin-bottom: 0;
    border: 1px solid #286090;
    border-radius: 5px;
}

h2,
h3 {
    text-align: center;
}

.box-l {
    float: left;
    width: 290px;
    height: 150px;
    margin-top: 25px;
    padding-left: 20px;
}

.box-l p {
    display: inline-block;
    margin-bottom: 30px;
    font-size: 16px;
}

input {
    outline: none;
    border: 0;
    background: none;
}

.box-r {
    width: 250px;
    height: 150px;
    float: right;
    margin-top: 10px;
}

.box-r img {
    width: 62%;
    height: 100%;
    margin-left: 40px;
}

.button {
    margin-left: 640px;
    margin-top: 10px;
}